PODCAST · science
Field To Yield: Crops & Comments
by Geoff Reeves
Agronomy topics curated by Geoff Reeves
Episodes
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Bt Corn
Why does a Piedmont corn grower have to plant a 20% non-Bt refuge when an Iowa grower only needs 5%? The answer is corn earworm, the same insect that becomes cotton bollworm. It has already beaten most of the Bt proteins in our corn. Geoff and Glenn break down how refuge works, whether it's still...
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Wheat Planting
The wheat window is open in the Piedmont, and the two biggest decisions you make this month are when to plant and how much seed to drop. This episode walks through how a wheat plant builds tillers, why the ones formed in the fall carry the crop, and what you are trading away when you plant too...
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Molybdenum
Nobody soil tests for molybdenum, and in the Southeast you don't need to. Your pH number is doing that job. We dig into how Mo behaves in our soils, when soybeans actually respond, and whether there's anything to the idea that Mo can protect wheat falling number. pH is your Mo test — Molybdenum...
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Nematodes
They're the yield robbers you can't see, and the only way to know what's in your fields is to go looking before the ground gets cold. This episode breaks down what's feeding on Carolina row crops, how to sample for it this fall, and what to do about it before you buy a single bag of seed for next...
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Soil Testing, Part 3: Phosphorus
We've covered pH and potassium. Now the nutrient that behaves like nothing in a Corn Belt textbook. On our Piedmont clays, phosphorus is hard to build, slow to move, and — on thousands of acres with a litter history — already piled up higher than any crop can use. Geoff and Glenn dig into why…
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Soil Testing, Part 2: Potassium
Potassium is the nutrient where Midwest thinking gets Southeast farmers in trouble. Our soils don't bank K the way theirs do, and the numbers on your report don't mean what a lot of folks think they mean. We work through the soil chemistry, the plant physiology, and the arithmetic behind reading…
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Soil Testing, Part 1: pH
Every fertility decision you make sits on top of soil pH. Get it wrong and you’re paying for phosphorus the soil won’t release, nitrogen the crop can’t use efficiently, and soybean nodules that never form. In the first episode of our soil testing series, we get into why Piedmont soils fight us on...
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Pyroxasulfone
Post resistance has taken most of the traditional cleanup options off the table in Southeastern ryegrass. That makes pyroxasulfone the best soil-applied tool we have for stopping ryegrass before it ever establishes. Geoff Reeves walks through the chemistry behind its staying power and lays out a...
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Soybean Desiccation
Soybean Desiccation Late-season desiccation is one of the few tools that lets you pick your harvest date instead of letting the weather pick it for you. In the Southeast, that's the whole argument — a September storm can undo a season's work in a night. But the same application that buys you a…
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Stink Bugs
Stink bugs cost Southeast soybean growers real money every year — but not all stink bugs are created equal. This episode breaks down the full complex hitting Piedmont and Southeast beans and gets into the science behind why some are so much harder to kill. How they actually damage a pod — the...
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Terramar
Does a Kelp-and-Carbon Biostimulant Actually Pay in the Piedmont? Loveland's Terramar is showing up in more fungicide tanks across the Carolinas, so we dug into what it actually is and how it works inside the plant. It's a 0-0-4 — which means the potash on the label is a rounding error and the...
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Diamides vs Corn Earworms
In this episode we dive into the physical mechanisms of how top insecticides take down corn earworms in soybeans. Designed for row-crop farmers and agronomists in the Southeast, this episode strips away the marketing to look purely at field performance and how these chemistries operate inside the...
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Sulfur Nutrition Management
Did you know that cleaner air has quietly turned sulfur into a yield-limiting nutrient for row crops in North Carolina and South Carolina? In this week's episode, we sit down with an agronomy expert to unpack the "Clean Air Act effect." With power plant sulfur dioxide emissions down 95% since…
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Control Italian Ryegrass
Every March, Italian ryegrass shows up armored, oversized, and resistant to nearly every herbicide group in the toolbox — by the time you can see it, it's too late. On this episode we aim to lay out the fall program that actually works. We break down Geoff Reeves' October burndown strategy…
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Next Generation Herbicides
The EPA just cleared three new herbicide active ingredients for corn, soybeans, and wheat — and they’re aimed squarely at the weeds giving Southeast growers the most trouble: resistant Palmer amaranth, waterhemp, and marestail. In this episode we break down what each one actually is and where it...
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RNAi Technology
RNA interference — RNAi — is quietly reshaping how we think about insect control in row crops. The technology is already commercial: corn growers have had an RNAi rootworm trait since 2022, and potato growers got the first sprayable RNA product in 2024. But for soybean and cotton? Nothing is...
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Rooted in Science: A Deep Dive into Radiate
Why are farm managers spraying an EPA-registered biochemical pesticide to force their crops to grow? In this episode of the Crops & Comments podcast by Field to Yield, curated by Geoff Reeves, we cut through the glossy agricultural marketing to explore the hidden science behind Radiate by…
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Deep Dive Into Boron
Why does a trace element punch so far above its weight in the Carolina Piedmont and the broader Southeast? In this episode of Crops and Comments, we take a deep dive into boron to explore the fundamental science of why it acts as the literal "mortar" holding plant cell walls together by...
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Winter Wheat: Falling Number
What is Falling Number? Falling number is a physical test (the Hagberg-Perten test) that measures alpha-amylase activity in your wheat. In the lab, ground grain and water are mixed into a slurry, and a machine measures the exact time in seconds it takes for a plunger to fall through the mixture.…
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Frequently Asked Questions
How many episodes does Field To Yield: Crops & Comments have?
Field To Yield: Crops & Comments currently has 19 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.
What is Field To Yield: Crops & Comments about?
Agronomy topics curated by Geoff Reeves
How often does Field To Yield: Crops & Comments release new episodes?
Field To Yield: Crops & Comments has 19 episodes. Check the episode list to see recent publication dates and frequency.
Where can I listen to Field To Yield: Crops & Comments?
You can listen to Field To Yield: Crops & Comments on PodParley by clicking any episode. We provide an embedded audio player for direct listening, and you can also subscribe via your preferred podcast app using the RSS feed.
Who hosts Field To Yield: Crops & Comments?
Field To Yield: Crops & Comments is created and hosted by Geoff Reeves.
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